docs: Add CLI docs (#5879)

docs/cli/coder_users_activate.md

@@ -0,0 +1,45 @@
+## coder users activate
+
+Update a user's status to 'active'. Active users can fully interact with the platform
+
+```
+coder users activate <username|user_id> [flags]
+```
+
+### Examples
+
+```
+  $ coder users activate example_user
+```
+
+### Options
+
+```
+  -c, --column stringArray   Specify a column to filter in the table. (default [username,email,created_at,status])
+  -h, --help                 help for activate
+```
+
+### Options inherited from parent commands
+
+```
+      --global-config coder   Path to the global coder config directory.
+                              Consumes $CODER_CONFIG_DIR (default "~/.config/coderv2")
+      --header stringArray    HTTP headers added to all requests. Provide as "Key=Value".
+                              Consumes $CODER_HEADER
+      --no-feature-warning    Suppress warnings about unlicensed features.
+                              Consumes $CODER_NO_FEATURE_WARNING
+      --no-version-warning    Suppress warning when client and server versions do not match.
+                              Consumes $CODER_NO_VERSION_WARNING
+      --token string          Specify an authentication token. For security reasons setting CODER_SESSION_TOKEN is preferred.
+                              Consumes $CODER_SESSION_TOKEN
+      --url string            URL to a deployment.
+                              Consumes $CODER_URL
+  -v, --verbose               Enable verbose output.
+                              Consumes $CODER_VERBOSE
+```
+
+### SEE ALSO
+
+- [coder users](coder_users.md) - Manage users
+
+###### Auto generated by spf13/cobra on 27-Jan-2023